If it's a manual, you can also put it in gear, with the handbrake on, that sometimes works. Next method is to scew two long bolts into the harmonic balancer and use a lever against the bolts to stop it spinning whilst undoing the main bolt.

A steering wheel puller may work, but they are sometimes made a bit flimsy, harmonic balancers sometimes take a lot of effort to remove.
They are usually only $25 or so to buy anyway.

Take it somwhere else $6000 is way too high. it should be a grand to remove the engine and $500 for trans at the most. Thats what i paid to get the 5.0 out of my ute stripped down except heads and crank etc, cam put in and back in again.... Actually even those figures are high.

On my old EL6 i removed the bolt with a socket short poll braced to the ground and a quick flick of the starter motor. I was only fitting up a blower pully though. Hope this helps.

347 238rwkw untuned and with a couple more lil things to change :)
Other car: BA FAIRMONT
Our cars are like Rage VS Silence
TKTDSGM Member

I had to replace the timing cover and water pump gaskets on my xr...and me and my dad didint have a harmonic balancer puller, we managed to wedge a piece of wood and the socket wrench somewhere next to the balancer cant remember were exactly and cranked the engine to break the seal on the bolt....It worked.

I wouldnt recommend it but we did do it on two occassions and nothing broke.